Cronus did not want Zeus, his son, or any child of his to live to usurp him from the throne. Which was just what Zeus and his siblings did.
Because Cronus is a Titan, which are enemies with the Greek Gods (which includes Poseidon, Zeus, Hades, etc...), Cronus was naturally an enemy with Poseidon due to their sort of never-ending war.
Since Prometheus sided with Zeus in the war between the Titans and the Olympians, he had to fight against Cronus. That is what made them enemies.
I would say Cronus because he actually tried to eat him and he was his father
Cronus is Zeus's father.
Evidently, as when Zeus wrestled with Cronus, Cronus lost.
No, Cronus was Zeus's father.
Zeus did not kill his father Cronus, he cast him into Tartarus. He did this to rule.
Yes Zeus was the son of Cronus and Rhea.
Cronus is the father of Zeus. Cronus swallowed his own children. But Rhea saved Zeus and hid him from Cronus so he wouldn't swallow him. Rhea gave cronus a rock wrapped in cloth instead of Zeus so Cronus swallowed the rock.
No, Cronus did not swallow Zeus. His mother, Rhea, hid him away and gave Cronus a wrapped stone instead.
Zeus killed cronus (his father)
The Titans, amongst who was his father Cronus. Zeus overthrew his father Cronus or Saturn.